XBT_INFO("%s sends %llu to %s", simgrid::s4u::this_actor::name().c_str(), read_size, remote_host);
char* payload = bprintf("%s %llu", dest, read_size);
simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(remote_host);
XBT_INFO("%s sends %llu to %s", simgrid::s4u::this_actor::name().c_str(), read_size, remote_host);
char* payload = bprintf("%s %llu", dest, read_size);
simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(remote_host);